{
 "methodology_version": "2.0",
 "generated_at": "2026-10-30T00:44:27Z",
 "as_of": "2026-10-29T00:00:00Z",
 "valid_until": "2026-10-31T00:00:00Z",
 "window": {
  "start": "2026-10-22T00:00:00Z",
  "end": "2026-10-29T00:00:00Z",
  "days": 7,
  "observed_days": 7.0
 },
 "model": {
  "id": "tencent/hy4-preview",
  "permaslug": "tencent/hy4-preview-20260827",
  "name": "Hy4 preview",
  "maker": "Tencent",
  "file": "models/hy4-preview.json"
 },
 "metric": "invalid_tool_call_rate",
 "status": "ok",
 "status_reason": null,
 "confidence": "high",
 "recommendation": {
  "order": [
   "deepinfra/fp4",
   "novita/fp8",
   "tencent/fp8"
  ],
  "ignore": []
 },
 "thresholds": {
  "min_tool_calls_per_day_to_recommend": 1000,
  "median_invalid_tool_call_rate": 0.001681,
  "ignore_at_or_above": 0.03
 },
 "choices": [
  {
   "id": "most_reliable",
   "also": [],
   "label": "Most reliable",
   "criterion": "the lowest invalid tool-call rate",
   "provider": "deepinfra/fp4",
   "recommendation": {
    "order": [
     "deepinfra/fp4",
     "novita/fp8",
     "tencent/fp8"
    ],
    "ignore": []
   }
  },
  {
   "id": "lowest_cost",
   "also": [],
   "label": "Lowest cost",
   "criterion": "the lowest price, blended at 3 tokens in to 1 out",
   "provider": "tencent/fp8",
   "recommendation": {
    "order": [
     "tencent/fp8",
     "deepinfra/fp4",
     "novita/fp8"
    ],
    "ignore": []
   }
  },
  {
   "id": "highest_throughput",
   "also": [],
   "label": "Highest throughput",
   "criterion": "the highest median tokens per second",
   "provider": "cohere",
   "recommendation": {
    "order": [
     "cohere",
     "deepinfra/fp4",
     "novita/fp8"
    ],
    "ignore": []
   }
  },
  {
   "id": "highest_uptime",
   "also": [],
   "label": "Highest uptime",
   "criterion": "the highest uptime",
   "provider": "novita/fp8",
   "recommendation": {
    "order": [
     "novita/fp8",
     "deepinfra/fp4",
     "tencent/fp8"
    ],
    "ignore": []
   }
  }
 ],
 "providers": [
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   "slugs": [
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   ],
   "variant": "fp4",
   "makers_api": false,
   "retains_prompts": false,
   "trains_on_prompts": false,
   "sample_size": 633209,
   "failures": 615,
   "invalid_tool_call_rate": 0.000971,
   "invalid_tool_call_rate_ci95": [
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    0.001051
   ],
   "tool_calls_per_day": 90458,
   "input_price_per_million": 0.7923,
   "output_price_per_million": 2.37595,
   "tokens_per_second": 39.0,
   "uptime": 0.9989,
   "quantizations": [
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   ],
   "endpoints": [
    {
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     "name": "DeepInfra",
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     "failures": 615,
     "invalid_tool_call_rate": 0.000971
    }
   ],
   "direct_api": {
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    "dedicated_endpoint": false,
    "context_tokens": 1048576,
    "tool_choice": true,
    "docs": "https://docs.deepinfra.com/chat/tool-calling",
    "website": "https://deepinfra.com",
    "status_page": "https://status.deepinfra.com/",
    "terms": "https://deepinfra.com/terms",
    "privacy": "https://deepinfra.com/privacy",
    "openrouter": "https://openrouter.ai/provider/deepinfra"
   }
  },
  {
   "id": "novita/fp8",
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   "slugs": [
    "novita/fp8"
   ],
   "variant": "fp8",
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   "retains_prompts": false,
   "trains_on_prompts": false,
   "sample_size": 1667195,
   "failures": 2562,
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   "invalid_tool_call_rate_ci95": [
    0.001478,
    0.001597
   ],
   "tool_calls_per_day": 238171,
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   "output_price_per_million": 2.501,
   "tokens_per_second": 42.0,
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   ],
   "endpoints": [
    {
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     "name": "NovitaAI",
     "quantization": "fp8",
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     "failures": 2562,
     "invalid_tool_call_rate": 0.001537
    }
   ],
   "direct_api": {
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    "dedicated_endpoint": false,
    "context_tokens": 1000000,
    "tool_choice": true,
    "docs": "https://docs.novita.ai/guides/llm-function-calling",
    "website": "https://novita.ai",
    "status_page": "https://status.novita.ai/",
    "terms": "https://novita.ai/legal/terms-of-service",
    "privacy": "https://novita.ai/legal/privacy-policy",
    "openrouter": "https://openrouter.ai/provider/novita"
   }
  },
  {
   "id": "tencent/fp8",
   "name": "Tencent Cloud",
   "rank": 3,
   "role": "recommended",
   "slugs": [
    "tencent/fp8"
   ],
   "variant": "fp8",
   "makers_api": true,
   "retains_prompts": false,
   "trains_on_prompts": false,
   "sample_size": 75102484,
   "failures": 117161,
   "invalid_tool_call_rate": 0.00156,
   "invalid_tool_call_rate_ci95": [
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    0.001569
   ],
   "tool_calls_per_day": 10728926,
   "input_price_per_million": 0.7506,
   "output_price_per_million": 2.2509,
   "tokens_per_second": 46.0,
   "uptime": 0.9991,
   "quantizations": [
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   ],
   "endpoints": [
    {
     "tag": "tencent/fp8",
     "tier": false,
     "name": "Tencent Cloud",
     "quantization": "fp8",
     "sample_size": 75102484,
     "failures": 117161,
     "invalid_tool_call_rate": 0.00156
    }
   ],
   "direct_api": {
    "model_id": "hy4-preview",
    "dedicated_endpoint": false,
    "context_tokens": 1048576,
    "tool_choice": true,
    "docs": null,
    "website": "https://www.tencentcloud.com",
    "status_page": "https://status.tencentcloud.com",
    "terms": "https://www.tencentcloud.com/en/document/product/301/78869",
    "privacy": "https://www.tencentcloud.com/en/document/product/1300/78952",
    "openrouter": "https://openrouter.ai/provider/tencent"
   }
  },
  {
   "id": "cohere",
   "name": "Cohere",
   "rank": 4,
   "role": "neutral",
   "slugs": [
    "cohere"
   ],
   "variant": null,
   "makers_api": false,
   "retains_prompts": false,
   "trains_on_prompts": false,
   "sample_size": 272458,
   "failures": 458,
   "invalid_tool_call_rate": 0.001681,
   "invalid_tool_call_rate_ci95": [
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    0.001842
   ],
   "tool_calls_per_day": 38923,
   "input_price_per_million": 0.834,
   "output_price_per_million": 2.501,
   "tokens_per_second": 76.0,
   "uptime": 0.9897,
   "quantizations": [],
   "endpoints": [
    {
     "tag": "cohere",
     "tier": false,
     "name": "Cohere",
     "quantization": null,
     "sample_size": 272458,
     "failures": 458,
     "invalid_tool_call_rate": 0.001681
    }
   ],
   "direct_api": {
    "model_id": "hy4-preview",
    "dedicated_endpoint": false,
    "context_tokens": 262144,
    "tool_choice": true,
    "docs": "https://docs.cohere.com/docs/compatibility-api",
    "website": "https://cohere.com",
    "status_page": "https://status.cohere.ai/",
    "terms": "https://cohere.com/terms-of-use",
    "privacy": "https://cohere.com/privacy",
    "openrouter": "https://openrouter.ai/provider/cohere"
   }
  },
  {
   "id": "atlas-cloud/fp8",
   "name": "AtlasCloud",
   "rank": 5,
   "role": "neutral",
   "slugs": [
    "atlas-cloud/fp8"
   ],
   "variant": "fp8",
   "makers_api": false,
   "retains_prompts": true,
   "trains_on_prompts": false,
   "sample_size": 93819,
   "failures": 332,
   "invalid_tool_call_rate": 0.003539,
   "invalid_tool_call_rate_ci95": [
    0.003179,
    0.00394
   ],
   "tool_calls_per_day": 13403,
   "input_price_per_million": 0.834,
   "output_price_per_million": 2.501,
   "tokens_per_second": 37.0,
   "uptime": 0.9985,
   "quantizations": [
    "fp8"
   ],
   "endpoints": [
    {
     "tag": "atlas-cloud/fp8",
     "tier": false,
     "name": "AtlasCloud",
     "quantization": "fp8",
     "sample_size": 93819,
     "failures": 332,
     "invalid_tool_call_rate": 0.003539
    }
   ],
   "direct_api": {
    "model_id": "tencent/hy4-preview",
    "dedicated_endpoint": false,
    "context_tokens": 1048576,
    "tool_choice": true,
    "docs": "https://www.atlascloud.ai/docs",
    "website": "https://www.atlascloud.ai",
    "status_page": null,
    "terms": null,
    "privacy": "https://www.atlascloud.ai/privacy",
    "openrouter": "https://openrouter.ai/provider/atlas-cloud"
   }
  },
  {
   "id": "siliconflow/fp8",
   "name": "SiliconFlow",
   "rank": 6,
   "role": "neutral",
   "slugs": [
    "siliconflow/fp8"
   ],
   "variant": "fp8",
   "makers_api": false,
   "retains_prompts": false,
   "trains_on_prompts": false,
   "sample_size": 1152267,
   "failures": 8817,
   "invalid_tool_call_rate": 0.007652,
   "invalid_tool_call_rate_ci95": [
    0.007494,
    0.007813
   ],
   "tool_calls_per_day": 164610,
   "input_price_per_million": 0.834,
   "output_price_per_million": 2.501,
   "tokens_per_second": 32.0,
   "uptime": 0.9995,
   "quantizations": [
    "fp8"
   ],
   "endpoints": [
    {
     "tag": "siliconflow/fp8",
     "tier": false,
     "name": "SiliconFlow",
     "quantization": "fp8",
     "sample_size": 1152267,
     "failures": 8817,
     "invalid_tool_call_rate": 0.007652
    }
   ],
   "direct_api": {
    "model_id": "tencent/Hy4-preview",
    "dedicated_endpoint": false,
    "context_tokens": 1048576,
    "tool_choice": true,
    "docs": "https://docs.siliconflow.com/en/userguide/guides/function-calling",
    "website": "https://siliconflow.com",
    "status_page": null,
    "terms": "https://docs.siliconflow.com/en/legals/terms-of-service",
    "privacy": "https://docs.siliconflow.com/en/legals/privacy-policy",
    "openrouter": "https://openrouter.ai/provider/siliconflow"
   }
  }
 ],
 "others": [
  {
   "id": "gmicloud/bf16",
   "name": "GMICloud",
   "role": "neutral",
   "slugs": [
    "gmicloud/bf16"
   ],
   "variant": "bf16",
   "makers_api": false,
   "retains_prompts": true,
   "trains_on_prompts": false,
   "sample_size": 3492,
   "failures": 61,
   "invalid_tool_call_rate": 0.017468,
   "invalid_tool_call_rate_ci95": [
    0.013624,
    0.022374
   ],
   "tool_calls_per_day": 499,
   "input_price_per_million": 0.834,
   "output_price_per_million": 2.501,
   "tokens_per_second": 29.0,
   "uptime": 0.9646,
   "quantizations": [
    "bf16"
   ],
   "endpoints": [
    {
     "tag": "gmicloud/bf16",
     "tier": false,
     "name": "GMICloud",
     "quantization": "bf16",
     "sample_size": 3492,
     "failures": 61,
     "invalid_tool_call_rate": 0.017468
    }
   ],
   "direct_api": {
    "model_id": "tencent/hy4-preview",
    "dedicated_endpoint": false,
    "context_tokens": 262144,
    "tool_choice": true,
    "docs": "https://docs.gmicloud.ai/",
    "website": "https://gmicloud.ai",
    "status_page": null,
    "terms": "https://www.gmicloud.ai/terms-and-conditions",
    "privacy": "https://docs.gmicloud.ai/privacy",
    "openrouter": "https://openrouter.ai/provider/gmicloud"
   }
  }
 ],
 "structured_outputs": {
  "metric": "structured_output_error_rate",
  "as_of": "2026-10-29T00:00:00Z",
  "valid_until": "2026-10-31T00:00:00Z",
  "window": {
   "start": "2026-10-22T00:00:00Z",
   "end": "2026-10-29T00:00:00Z",
   "days": 7,
   "observed_days": 7.0
  },
  "status": "single_provider",
  "status_reason": "fewer than two providers at 1,000 structured outputs a day or more",
  "confidence": "none",
  "recommendation": null,
  "thresholds": {
   "min_structured_outputs_per_day_to_recommend": 1000,
   "median_structured_output_error_rate": null,
   "ignore_at_or_above": 0.03
  },
  "providers": [],
  "others": [
   {
    "id": "deepinfra/fp4",
    "name": "DeepInfra",
    "role": "ignored",
    "slugs": [
     "deepinfra/fp4"
    ],
    "variant": "fp4",
    "sample_size": 2333,
    "failures": 90,
    "structured_output_error_rate": 0.038577,
    "structured_output_error_rate_ci95": [
     0.03149,
     0.047181
    ],
    "structured_outputs_per_day": 333,
    "endpoints": [
     {
      "tag": "deepinfra/fp4",
      "tier": false,
      "sample_size": 2333,
      "failures": 90,
      "structured_output_error_rate": 0.038577
     }
    ]
   },
   {
    "id": "novita/fp8",
    "name": "NovitaAI",
    "role": "ignored",
    "slugs": [
     "novita/fp8"
    ],
    "variant": "fp8",
    "sample_size": 451,
    "failures": 58,
    "structured_output_error_rate": 0.128603,
    "structured_output_error_rate_ci95": [
     0.100815,
     0.162665
    ],
    "structured_outputs_per_day": 64,
    "endpoints": [
     {
      "tag": "novita/fp8",
      "tier": false,
      "sample_size": 451,
      "failures": 58,
      "structured_output_error_rate": 0.128603
     }
    ]
   },
   {
    "id": "siliconflow/fp8",
    "name": "SiliconFlow",
    "role": "ignored",
    "slugs": [
     "siliconflow/fp8"
    ],
    "variant": "fp8",
    "sample_size": 2355,
    "failures": 381,
    "structured_output_error_rate": 0.161783,
    "structured_output_error_rate_ci95": [
     0.147463,
     0.177206
    ],
    "structured_outputs_per_day": 336,
    "endpoints": [
     {
      "tag": "siliconflow/fp8",
      "tier": false,
      "sample_size": 2355,
      "failures": 381,
      "structured_output_error_rate": 0.161783
     }
    ]
   },
   {
    "id": "tencent/fp8",
    "name": "Tencent Cloud",
    "role": "ignored",
    "slugs": [
     "tencent/fp8"
    ],
    "variant": "fp8",
    "sample_size": 4099,
    "failures": 780,
    "structured_output_error_rate": 0.19029,
    "structured_output_error_rate_ci95": [
     0.178566,
     0.202595
    ],
    "structured_outputs_per_day": 586,
    "endpoints": [
     {
      "tag": "tencent/fp8",
      "tier": false,
      "sample_size": 4099,
      "failures": 780,
      "structured_output_error_rate": 0.19029
     }
    ]
   },
   {
    "id": "gmicloud/bf16",
    "name": "GMICloud",
    "role": "ignored",
    "slugs": [
     "gmicloud/bf16"
    ],
    "variant": "bf16",
    "sample_size": 44,
    "failures": 10,
    "structured_output_error_rate": 0.227273,
    "structured_output_error_rate_ci95": [
     0.128418,
     0.369926
    ],
    "structured_outputs_per_day": 6,
    "endpoints": [
     {
      "tag": "gmicloud/bf16",
      "tier": false,
      "sample_size": 44,
      "failures": 10,
      "structured_output_error_rate": 0.227273
     }
    ]
   },
   {
    "id": "atlas-cloud/fp8",
    "name": "AtlasCloud",
    "role": "ignored",
    "slugs": [
     "atlas-cloud/fp8"
    ],
    "variant": "fp8",
    "sample_size": 253,
    "failures": 63,
    "structured_output_error_rate": 0.249012,
    "structured_output_error_rate_ci95": [
     0.199746,
     0.305786
    ],
    "structured_outputs_per_day": 36,
    "endpoints": [
     {
      "tag": "atlas-cloud/fp8",
      "tier": false,
      "sample_size": 253,
      "failures": 63,
      "structured_output_error_rate": 0.249012
     }
    ]
   },
   {
    "id": "cohere",
    "name": "Cohere",
    "role": "ignored",
    "slugs": [
     "cohere"
    ],
    "variant": null,
    "sample_size": 481,
    "failures": 227,
    "structured_output_error_rate": 0.471933,
    "structured_output_error_rate_ci95": [
     0.427719,
     0.516593
    ],
    "structured_outputs_per_day": 69,
    "endpoints": [
     {
      "tag": "cohere",
      "tier": false,
      "sample_size": 481,
      "failures": 227,
      "structured_output_error_rate": 0.471933
     }
    ]
   }
  ]
 },
 "source": "dottxt Tool-call Index (https://dottxt.ai), from OpenRouter's published measurements"
}